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David Ennis

David Ennis is a 1972 graduate of the University of Chicago Graduate School of Business (now Booth). Prior to retiring, he had spent over forty years in the healthcare market in hospital management and in strategic consulting across the US and in Canada. He has maintained a keen interest in healthcare through the study of health economics research and health policy proposals.
Commentary

How Has the Affordable Care Act Fared After Ten Years?

David Ennis
David Ennis evaluates how well the Affordable Care Act has met its expectations and where it has fallen short ten years after its implementation.
Commentary

We Need Better Research on the Relationship Between Market Power and Productivity in the Hospital Industry

David Ennis
Antitrust debates have largely ignored questions about the relationship between market power and productivity, and scholars have provided little guidance on the issue due to data limitations. However, data is plentiful on the hospital industry for both market power and operating costs and productivity, and researchers need to take advantage, writes David Ennis.
Antitrust and Competition

The Unchecked Market Power of the American Health Care System

David Ennis
Chicago Booth alumnus and retired health care consultant David W. Ennis responds to ProMarket’s recent coverage on antitrust and the US health care system....

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The publication of the Stigler Center at The University of Chicago Booth School of Business

ProMarket is dedicated to discussing how competition tends to be subverted by special interests. The posts represent the opinions of their writers, not necessarily those of the University of Chicago, the Booth School of Business, or its faculty. For more information, please visit ProMarket Policy.